16357121154703 has 12 divisors (see below), whose sum is σ = 19360696491760. Its totient is φ = 13536927847296.

The previous prime is 16357121154631. The next prime is 16357121154791. The reversal of 16357121154703 is 30745112175361.

It is a happy number.

It is not a de Polignac number, because 16357121154703 - 2²⁹ = 16356584283791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16357121154793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1389251898 + ... + 1389263671.

Almost surely, 2^{16357121154703} is an apocalyptic number.

16357121154703 is a deficient number, since it is larger than the sum of its proper divisors (3003575337057).

16357121154703 is an equidigital number, since it uses as much as digits as its factorization.

16357121154703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2778515634 (or 2778515605 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 46.

The spelling of 16357121154703 in words is "sixteen trillion, three hundred fifty-seven billion, one hundred twenty-one million, one hundred fifty-four thousand, seven hundred three".